如何检查生日是在本周，本周或本月，我使用下面的代码进行检查，但返回错误的计算结果。
public function CountDown($birthdate, $days=7)
{
list($y,$d,$m) = explode('/',$birthdate);
$today = time();
$event = mktime(0,0,0,$m,$d,$y);
$apart = $event - $today;
if ($apart >= -86400)
{
$myevent = $event;
}
else
{
$myevent = mktime(09,0,0,$m,$d,$y);
}
$countdown = round(($myevent - $today)/86400);
if ($countdown <= $days)
{
return true;
}
return false;
}
试试这个：
function CountDown($birthdate, $days=7)
{
# create today DateTime object
$td = new DateTime('today');
# create birth DateTime object, from format Y/d/m
$bd = DateTime::createFromFormat('!Y/d/m', $birthdate);
# set current year to birthdate
$bd->setDate($td->format('Y'), $bd->format('m'), $bd->format('d'));
# if birthdate is still in the past, set it to new year
if ($td > $bd) $bd->modify('+1 year');
# calculate difference in days
$countdown = $bd->diff($td)->days;
# return true if day difference is within your range
return $countdown <= $days;
}
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